Segment:
Performance Mini Motocross Motorcycle
Competitors:
Kawasaki KX85, Yamaha YZ85, KTM 85 SX
Manual Value:
Provides professional-grade repair and maintenance information, empowering owners and technicians.
Coverage Scope:
Covers all aspects of repair, servicing, and troubleshooting for the specified model years.
Documentation Quality:
Includes detailed photos, diagrams, and step-by-step instructions, mirroring factory technician manuals.
Licensing:
Lifetime use, no additional fees or subscription requirements.
Engine Mechanical:
Complete disassembly, inspection, repair, and reassembly of the engine.
Fuel System:
Carburetor tuning, cleaning, rebuilding, fuel tank, fuel lines, and petcock.
Ignition System:
CDI unit, spark plug, ignition coil, and wiring.
Cooling System:
Liquid cooling system, radiator, water pump, coolant hoses, and thermostat.
Exhaust System:
Exhaust pipe, silencer, and packing replacement.
Transmission Drivetrain:
Clutch operation, gear shifting mechanism, and gear lubrication.
Suspension Front:
Front fork service (oil change, seal replacement, adjustment), steering stem bearing service.
Suspension Rear:
Rear shock absorber service, linkage maintenance, swingarm bearing service.
Brakes Front:
Brake caliper service, master cylinder overhaul, brake pad replacement, brake disc inspection.
Brakes Rear:
Rear brake mechanism service, brake pedal, and linkage adjustment.
Wheels Tires:
Wheel bearing inspection and replacement, tire pressure, and mounting.
Electrical System:
Wiring diagrams, lighting, battery maintenance, troubleshooting electrical faults.
Bodywork Chassis:
Plastic panel removal and installation, seat, fuel tank, handlebars, and footpegs.
Maintenance:
Regular servicing, lubrication, filter changes, adjustments.
Troubleshooting:
Diagnostic procedures for common problems and performance issues.
Repair:
Step-by-step instructions for component repair and replacement.
Rebuilds:
Complete engine and suspension component rebuilds.
Adjustments:
Carburetor jetting, clutch lever, throttle cable, and suspension settings.
Depth:
Comprehensive, from basic maintenance to advanced engine and chassis overhauls.
Printability:
Yes, individual pages or the entire manual can be printed.
Digital Access:
Unlimited device usage, no expiry.
Digital Compatibility:
Compatible with Windows and MAC computers, tablets, and smartphones.
Engine Type:
Liquid-cooled, 2-stroke, Reed valve, Case-reed induction
Bore X Stroke:
48.0 mm x 46.6 mm
Compression Ratio:
9.5:1 (typical)
Horsepower:
Approximately 21-22 HP (estimated, varies by tuning)
Torque:
Approximately 10-11 lb-ft (estimated)
Fuel Type:
Unleaded gasoline (91 octane or higher recommended)
Fuel Oil Mixture:
50:1 (2-stroke oil)
Transmission Type:
6-speed constant mesh
Clutch:
Wet multi-plate, cable-actuated
Final Drive:
Chain drive (RK 428, 114 links typical)
Transmission Oil Capacity:
Approx. 650-700 ml
Transmission Oil Specification:
API GL-4, SAE 80W/90 gear oil (check manual for exact spec)
Overall Length:
Approx. 1850 mm (Standard), 1905 mm (Large Wheel)
Overall Width:
Approx. 765 mm
Overall Height:
Approx. 1180 mm
Wheelbase:
Approx. 1275 mm (Standard), 1315 mm (Large Wheel)
Ground Clearance:
Approx. 320 mm
Seat Height:
Approx. 845 mm (Standard), 870 mm (Large Wheel)
Dry Weight:
Approx. 75 kg
Curb Weight:
Not specified, but typically higher than dry weight
Fuel Tank Capacity:
5.0 Liters (1.3 US gal)
Front Tire Size:
70/100-17 (Standard), 70/100-19 (Large Wheel)
Rear Tire Size:
90/100-14 (Standard), 90/100-16 (Large Wheel)
Oil Change Transmission:
Every 10-15 hours of riding or annually.
Air Filter Cleaning:
After every few rides or as needed based on conditions.
Spark Plug Replacement:
Every 20-30 hours of riding or as needed.
Top End Rebuild:
Every 30-50 hours of riding (piston, rings, cylinder inspection/replacement).
2 Stroke Oil:
High-quality 2-stroke premix oil, 50:1 ratio recommended.
Coolant:
Mixture of ethylene glycol-based coolant and distilled water (50/50).
Fork Oil:
Specific weight and viscosity fork oil (e.g., Showa SS-01 or equivalent, check manual for exact type and quantity).
Clutch Wear:
Clutch plates can wear relatively quickly with aggressive riding, requiring periodic replacement.
Suspension Seals:
Front fork seals can sometimes leak, requiring replacement.
Carburetor Jetting:
May require adjustment based on altitude, temperature, and modifications.